CPU_COREDUMP(9) | Kernel Developer's Manual | CPU_COREDUMP(9)

# NAME

cpu_coredump — machine-dependent process core dump interface

# SYNOPSIS

#include <sys/signalvar.h>

int
cpu_coredump(struct lwp *l, void *iocookie, struct core *chdr);

int
cpu_coredump32(struct lwp *l, void *iocookie, struct core32 *chdr);

# DESCRIPTION

cpu_coredump() is the machine-dependent interface invoked by machine-independent code to dump the machine-dependent header information at the start of a process core dump. The header information primarily consists of the CPU and floating-point registers. l is the lwp structure of the thread being dumped. iocookie is an opaque pointer to be passed to coredump_write(). Information about the machine-dependent header sections are returned in chdr.

cpu_coredump() returns 0 on success and an appropriate error code on failure.

# CODE REFERENCES

Process core dumps are initiated within the file sys/kern/kern_sig.c. Process core dumps for ELF NetBSD binaries are performed within the files sys/kern/core_elf32.c or sys/kern/core_elf64.c. Process core dumps for other NetBSD binaries are performed within the file sys/kern/core_netbsd.c.

# SEE ALSO

coredump_write(9)

December 24, 2005 | NetBSD 7.2